非定常流下的数值模拟。
非定常力可以采用面元法或升力面方法计算得到。
Both panel method and lifting surface method can be used to calculate the unsteady force.
三维定常、非定常的计算结果表明本文的方法是有效的。
The results of three dimensional steady and unsteady flows show that the methods developed in the thesis are effective.
完成了超音速燃烧室内非定常准一维流的数值模拟研究。
A quasi one dimensional unsteady numerical analysis of supersonic combustor performance has been conducted.
构造了一维非定常自由面浅水流动的隐式守恒差分格式。
An Implicit conservative scheme for ID unsteady free - surface shallow water flows is presented.
基于数值模拟方法，研究了逆流矢量喷管非定常内流性能。
Internal performance of unsteady flow of counterflow thrust vectoring nozzle has researched base on numerical simulation.
将非定常势流理论用于应急上浮运动流场分析与水动力计算。
The unsteady potential flow theory is used to analyses the flow field and hydro-dynamic calculation.
使用跨音速非定常空气动力，对扑动间隙和旋转间隙进行研究。
Flapping and rotary gap have been investigated with the help of transonic unsteady aerodynamic forces.
对带振荡的快速上仰翼型的非定常分离流问题进行了计算研究。
The problem of unsteady separated flow of rapidly pitching airfoil with oscillating motion is computationally studied.
本文采用逆方法研究并获得了应力偶流体的定常和非定常精确解。
By using inverse method, the analytical solutions of couple stress fluids were obtained for steady and unsteady cases.
计算结果表明，振荡叶栅非定常流场的压力响应在叶栅前缘较大。
The results show that the unsteady pressure response is large in the oscillating cascade leading edge.
下游静叶干涉增加了动叶顶部间隙流的非定常波动强度和泄漏损失。
Downstream rotor-stator interaction increases the unsteady fluctuating intensities of the rotor tip clearance flow and the tip leakage loss.
本文提出了用小扰动欧拉振幅方程求解振动叶栅非定常流场的方法。
In this paper, the Euler amplitude equation is developed to obtain the unsteady flow field in vibrating cascades.
本文介绍一种带操纵面机翼的非定常跨声速流的有限差分计算方法。
A numerical method is presented for predicting unsteady transonic aerodynamic flow about aircraft wings with control surface.
本文采用数值方法对叶轮机基元非定常流和排间匹配进行深入研究。
Numerical studies about cascade unsteady flow and the edge-matching technique are presented in this paper.
研究中测量了模型的气动力及力矩特性，同时测量了风洞的非定常壁压。
The unsteady aerodynamic and moment characteristics of the models and the unsteady wall pressure are measured.
本文将一维非定常不可压流体力学方程组，应用于整个低速透平压缩机系统。
The fluid mechanics equations of one-dimensional incompressible unsteady flow are adopted in whole low-speed turbo-compression system.
作为算例用它计算了后掠超音速平板叶栅由于振动引起的非定常空气动力功。
Program and unsteady aerodynamic work caused by oscillation of sweepback supersonic plate cascade were provided as an example of its application.
分析表明，叶片排干涉效应与非定常扰动的传播特征及叶片相对轴向位置有关。
Analyses shown that the blade row interaction effect is influenced by the characteristics of disturbance propagation and relative axial position of the blade row.
最后，非定常流的结果进一步表明，逆流喷管是一种较高效率的射流式矢量喷管。
Lastly, the results of unsteady flow point out, counterflow thrust vectoring nozzle is a efficiency fluidic vectoring nozzle.
本文给出了在跨音速流动中，计算三维机翼非定常载荷分布的核函数法和计算结果。
A kernel function method and the results of computing unsteady load on three-dimensional wings in transonic flow are presented in this paper.
采用实验和数值计算相结合的方法，研究了非定常尾迹对叶片头部气膜冷却的影响。
Secondly, the effects of unsteady wakes on film cooling at the leading edge of blade were investigated by experiments and numerical simulations.
利用改进的边界层模式，对平坦地形条件下的非定常边界层风温场进行了数值模拟。
Using the improved boundary layer model, under horizontal homogeneous geographical conditions, the nonconstant wind and temperature fields have been simulated numerically.
桨叶表面非定常压力分布的计算结果与测试结果的比较表明，本文的预报结果令人满意。
The unsteady pressure distribution on the propeller blade surface by the present program are in satisfactory agreement with experimental data.
非定常三维向量场可视化的难点不仅在于数据表现本身，还在于大体积数据的管理和组织。
The difficulty of unsteady three dimensional vector field data visualization stems from both data representation and management of large volume data.
得到气管内的气体在一个呼吸周期非定常条件下的流动变化，模拟结果与实验观察相吻合。
The results of the change of flow during a single respiratory period were matched with the observance of experiment by other authors.
利用本文的方法，分别计算了跨声速叶栅流动和工程中一类复杂非定常轴对称跨声速流动。
The new method is used to study transonic flow in cascades and one kind of complex unsteady transonic axisymmetric flow in arc breaker.
用数值方法模拟了竖直通道宽度对气泡在液体中的非定常运动、变形以及传热特性的影响。
The motions, deformation and heat transfer characteristic of a rising gas bubble through the liquid in a vertical channel are numerically predicted in this paper.
应用升力面理论涡格法和面元法，建立了拖式吊舱推进器非定常水动力性能的数值计算方法。
Based on potential flow theory, a numerical method is proposed for predicting the steady and unsteady hydrodynamic performances of puller type podded propulsors.
应用升力面理论涡格法和面元法，建立了拖式吊舱推进器非定常水动力性能的数值计算方法。
Based on potential flow theory, a numerical method is proposed for predicting the steady and unsteady hydrodynamic performances of puller type podded propulsors.
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